Meningococcal infections. 2. Field trial of group C meningococcal polysaccharide vaccine in 1969-70.
A second large-scale field trial of group C meningococcal polysaccharide vaccine in US Army recruits confirmed the efficacy and safety of the vaccine. When the results of all studies over a 2-year period were combined, the reduction in group-specific disease rates was 89.5%.
D001428:Bacterial Vaccines; D006801:Humans; D008297:Male; D008589:Meningococcal Infections / Q000517:prevention & control*; D008887:Military Medicine; D011135:Polysaccharides, Bacterial / Q000008:administration & dosage*; D014481:United States; D014611:Vaccination
D001428:Bacterial Vaccines; D011135:Polysaccharides, Bacterial